问题描述：
1、The boy is running after (the cat ) .(对括号内部分提问） ____ ____ the boy running after
2、Do you clean your room every day (now 代替every day)
____ you ____ your room now
3、Her brother is writing a letter to me .( 改为否定句）
Her brother ____ writing a letter to me .
4、Class 3 are having a P.E.class .(改为一般疑问句并作否定回答）
____ class 3 ____ a P.E.class ____,____ _____.
2、Do you clean your room every day (now 代替every day)
____ you ____ your room now
3、Her brother is writing a letter to me .( 改为否定句）
Her brother ____ writing a letter to me .
4、Class 3 are having a P.E.class .(改为一般疑问句并作否定回答）
____ class 3 ____ a P.E.class ____,____ _____.
问题解答：
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